Let En=
be the energy of the nth level of H atom. If all the H-atoms are in the ground state and radiation of frequency
falls on it
(a) It will not be absorbed at all
(b) Some of atoms will move to first excited state
(c) All atoms will be excited to the n= 2 state
(d) No atoms will make a transition to then n=3 state
Let En= be the energy of the nth level of H atom. If all the H-atoms are in the ground state and radiation of frequency falls on it
(a) It will not be absorbed at all
(b) Some of atoms will move to first excited state
(c) All atoms will be excited to the n= 2 state
(d) No atoms will make a transition to then n=3 state
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1 Answer
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This is a Multiple Choice Questions as classified in NCERT Exemplar
Answer- (b, d)
Explanation- when a radiation of energy fall on it some atoms would be excited but not all would be excite also no atom will go to 3 level some go to 2 level also but not all excite to 2 level. So by considering these facts we can say b and d option are correct
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